body {
    font-family: Arial, sans-serif;
    background: #f4f4f4;
    margin: 0;
    padding: 40px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
}
header {
    margin-bottom: 32px;
    text-align: center;
}
h1 {
    margin-bottom: 16px;
}
header p {
    margin-bottom: 24px;
    font-size: 21px;
}
.image-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 32px;
    width: 100%;
    max-width: 900px;
    justify-items: center;
}
.image-item {
    margin-bottom: 24px;
    text-align: center;
}
.image-title {
    margin-bottom: 25px;
}
img {
    display: block;
    margin-bottom: 8px;
}
#show-other-images {
    padding: 12px 24px;
    font-size: 16px;
}
.button-container {
    text-align: center;
    margin-top: 32px;
    margin-bottom: 32px;
}
#data-container {
    max-width: 600px;
    margin: 40px auto;
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    text-align: center;
}
img.clickable-image {
    cursor: pointer;
    transition: box-shadow 0.2s, transform 0.2s;
}
img.clickable-image:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
    transform: scale(1.05);
}
.no-image-placeholder {
    width: 291px;
    height: 291px;
    background: #ccc;
    color: #222;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2em;
    font-weight: bold;
    border-radius: 8px;
    margin-bottom: 8px;
    cursor: pointer;
}
.details-placeholder {
    width: 600px;
    height: 400px;
    margin-bottom: 24px;
    font-size: 2em;
}